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About
The purpose of this study is to evaluate the safety and efficacy of zipalertinib in combination with standard first-line platinum-based chemotherapy compared to chemotherapy alone, in patients with locally advanced or metastatic NSCLC with EGFR ex20ins mutations.
Full description
This study will evaluate the efficacy and safety of zipalertinib in combination with standard chemotherapy with pemetrexed and a platinum agent (either carboplatin or cisplatin) in patients with previously untreated, locally advanced or metastatic nonsquamous NSCLC harboring EGFR ex20ins mutations.
The study will be conducted in two parts:
An independent data monitoring committee (IDMC) will be established to monitor interim safety Data.
A treatment cycle is defined as 21 days for both parts of the study.
Part A: Safety Lead-In The primary objective of Part A is to determine the recommended dose of zipalertinib administered in combination with pemetrexed and a platinum agent (either carboplatin or cisplatin) to be studied in the Phase 3 portion of this study.
Approximately 6-12 patients will receive zipalertinib administered at an initial dose of zipalertinib PO BID (Dose Level 1) in combination with pemetrexed and carboplatin or cisplatin on a 21-day cycle. Patients may continue to receive study treatment until documentation of progressive disease (PD) or until other withdrawal criteria are met, whichever comes first. Patients will be enrolled using a rolling-6 design,35 and the determination of the dose of zipalertinib to be used in Part B of the study will be informed by the incidence of dose-limiting toxicities (DLTs) observed during Cycle 1.
Part B: Phase 3 Enrollment into the Phase 3 portion of the study will begin following completion of Part A.
Approximately 260 patients will be randomized on a 1:1 basis to receive pemetrexed and a platinum agent (either carboplatin or cisplatin) with or without zipalertinib on a 21-day cycle.
Carboplatin or cisplatin will be administered for 4 cycles. Patients may continue to receive zipalertinib (experimental study arm) and pemetrexed (both study arms) until documentation of PD or until other withdrawal criteria are met, whichever comes first.
Enrollment
Sex
Ages
Volunteers
Inclusion and exclusion criteria
Inclusion-
Provide written informed consent.
≥18 years of age (or meets the country's regulatory definition for legal adult age, whichever is greater).
Pathologically confirmed, locally advanced or metastatic nonsquamous NSCLC
Has not received any prior systemic treatment for their locally advanced or metastatic nonsquamous NSCLC. Prior adjuvant/neoadjuvant treatment received >6 months prior to first dose of study treatment is allowed for early-stage
NSCLC. Prior monotherapy with an approved EGFR TKI (ie, gefitinib, erlotinib, afatinib, dacomitinib, or osimertinib) as nonstandard first-line therapy for the treatment of locally advanced or metastatic disease is allowed if all of the following criteria are met:
Prior therapy with EGFR TKI agents targeting exon20ins mutations including amivantamab, mobocertinib, sunvozertinib, furmonertinib, and poziotinib is not allowed.
Documented EGFR mutation status, as determined by local testing performed at a CLIA certified (US) or accredited (outside of the US) local laboratory, defined as follows:
Archival tumor tissue available for submission, with minimum quantity sufficient to evaluate EGFR mutation status and, where possible, other biomarkers. Patients with insufficient tissue (details provided in laboratory manual) may be eligible following discussion with the sponsor; a fresh biopsy will not be required.
Patients with brain metastasis(es) who have previously received definitive local treatment and have stable central nervous system (CNS) disease (defined as being neurologically stable and off corticosteroid for at least 2 weeks prior to enrollment) are eligible. If brain metastases are diagnosed on screening imaging, the patient may be rescreened for eligibility after definitive treatment.
b. Asymptomatic brain metastases ≤2 cm in size can be eligible for inclusion if, in the opinion of the Investigator, immediate definitive treatment is not indicated.
At least one measurable lesion as determined per RECIST 1.1 for patients enrolling to Part B. Patients enrolling to Part A may be enrolled without measurable disease.
Eastern Cooperative Oncology Group (ECOG) performance status 0 or 1.
Adequate organ function, as defined by the laboratory value
Have a life expectancy of at least 3 months as assessed by the investigator.
Women of childbearing potential (WOCBP) must have a negative serum pregnancy test prior to administration of the first dose of study treatment. Female patients are not considered to be of childbearing potential if they are postmenopausal (no menses for 12 months without an alternative medical cause) or permanently sterile (hysterectomy, bilateral salpingectomy, or bilateral oophorectomy).
Both males and females of reproductive potential must agree to use effective birth control during the study prior to the first dose and for 6 months after the last dose of study treatment or longer, based on local requirements.
Exclusion -
Is currently receiving an investigational drug in a clinical trial or participating in any other type of medical research judged not to be scientifically or medically compatible with this study.
Prior treatment with any of the following within the specific time frame specified:
Have any unresolved toxicity of Grade ≥2 from previous anticancer treatment in the neoadjuvant or adjuvant setting, except for Grade 2 alopecia or skin pigmentation. Patients with other chronic but stable Grade 2 toxicities may be allowed to enroll after agreement between the investigator and Sponsor.
Past medical history of interstitial lung disease, treatment-related pneumonitis (any grade), or any evidence of clinically active interstitial lung disease.
Impaired cardiac function or clinically significant cardiac disease, including any of the following:
Unable to swallow tablets or has any disease or condition that may significantly affect gastrointestinal (GI) absorption of zipalertinib (such as inflammatory bowel disease, malabsorption syndrome, or prior GI resection).
History of another primary malignancy ≤2 years prior to the date of first dose of study treatment unless at least one of the following criteria are met:
Known history of hepatitis B, hepatitis C, or human immunodeficiency virus (HIV) that is unstable or not controlled with treatment.
History of COVID-19 infection within 4 weeks prior to enrolment and/or have persistent, clinically significant pulmonary symptoms related to prior COVID-19 infection.
Active bleeding disorders.
Known hypersensitivity to the ingredients in zipalertinib or any drugs similar in structure or class. To platinum-containing drugs (ie, cisplatin, carboplatin), pemetrexed, or any known excipients of these drugs. b. Contraindications toning drugs (ie, cisplatin, carboplatin) or pemetrexed according to the respective local labels.
History of leptomeningeal disease and spinal cord compression.
Is unable or unwilling to take dexamethasone, folic acid, and/or vitamin B12 supplementation during treatment with pemetrexed.
Is pregnant or lactating or planning to become pregnant
The patient is, in the investigator's opinion, unable or unwilling to comply with the trial procedures.
Primary purpose
Allocation
Interventional model
Masking
272 participants in 2 patient groups
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Central trial contact
Taiho Oncology, INC
Data sourced from clinicaltrials.gov
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